Home / 438,026.66-604,476.69-247,039.64

Finding the Fourth Proportional to 438,026.66, 604,476.69 and 247,039.64

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Solution

The fourth proportional to 438,026.66, 604,476.69 and 247,039.64 is: 340,914.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,026.66 : 604,476.69 = 247,039.64 : x
  2. Step 2: Convert to fraction form
    438,026.66/604,476.69 = 247,039.64/x
  3. Step 3: Cross multiply
    438,026.66x = 604,476.69 × 247,039.64
  4. Step 4: Simplify right side
    438,026.66x = 149,329,703,885.99
  5. Step 5: Solve for x
    x = 149,329,703,885.99/438,026.66
  6. Step 6: Final answer
    x = 340,914.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.